Worst Bridges in Idaho

Structurally deficient bridges ranked by lowest condition rating

BridgeCountyConditionBuiltTraffic
S ANDERSON LAKE RD over CDA RIVER;SPRINGSTON BR County 055 Critical 1955 40
WESTON-FAIRVIEW RD over BEAR RIVER;E.WESTON BR. County 041 Critical 1956 1,000
I 15 SBL over CO.RD.;STODDARD CREEK IC County 033 Critical 1969 1,750
SCOTT RD; W 100 S over ABERDEEN SPRINGFIELD CNL County 011 Serious 1964 190
COOPER PASS ROAD over CANYON CREEK County 079 Serious 2012 220
SALMON CREEK RD over REYNOLDS CREEK County 073 Serious 1960 20
STC 1757;MAIN ST over PORTNEUF RIVER County 005 Serious 1962 1,200
N 1600 E over ST ANTHONY CANAL County 043 Serious 1971 70
FS ROUTE 225 over ST JOE RIVER County 079 Serious 1934 50
STC 3851;HEXON RD over BOISE RIVER County 027 Serious 1954 560
FOREST ROAD 421 over LITTLE MALLARD CREEK County 049 Serious 1984 50
FS ROUTE NO. 2450 over BLUE JOE CREEK County 021 Serious 1953 50
EAST FORK RD over ROAD CREEK County 037 Serious 2022 90
POTLATCH ROAD over BIG CREEK TRESTLE County 079 Serious 1912 100
FALL CREEK RD over FALL CREEK County 039 Serious 1987 30
SHOESTRING ROAD over SNAKE RIVER;SW BLISS BR County 083 Serious 1977 190
FOREST ROAD 651 over SELWAY RIVER-OHARA County 049 Serious 1956 50
MAIN STREET SOUTH over JIM FORD CREEK County 035 Serious 1965 80
RAMMAGE MEADOWS RD over THIRD FK.CHIEF EAGLE EYE County 045 Serious 1963 20
RD 360 over SAVAGE CREEK County 049 Serious 2006 10
OLD HORNET ROAD over HORNET CREEK County 003 Serious 1949 100
FALL CK.-ROCKY BAR over EAST FORK FALL CREEK County 039 Serious 2013 50
STC 3809;MIDDLE FK over BLACK WARRIOR CREEK County 039 Serious 1975 30
ROARING RIVER ROAD over MIDDLE FORK BOISE RIVER County 039 Serious 1957 20
FOREST ROAD 1614 over FRENCH CREEK County 049 Serious 1957 50
KILPATRICK BR. RD. over SILVER CREEK County 013 Serious 1978 60
STC2781;1300 S. RD over THORN CREEK County 047 Serious 1955 360
MCINTYRE STREET over LAPWAI CREEK County 069 Serious 1935 180
CHARLIE CREEK RD over SANTA CREEK County 009 Serious 1964 150
SH 55 over UPRR;N.FK.PAYETTE RIVER County 085 Serious 1933 4,100
FIFTH STREET over S.FK.COEUR DALENE RIVER County 079 Serious 1972 50
EAST RIVER LOOP over N.FK.EAST RIVER County 017 Serious 1939 30
SMA 7643;ECKERT RD over BOISE RIVER(BARBER BR) County 001 Serious 1954 6,700
850 EAST ROAD over EAST MAIN CANAL County 063 Serious 1965 30
MIDDLE FORK ROAD over M.FK.WEISER RIVER County 003 Serious 1957 70
E SHORE ROAD over HUNT CREEK County 017 Serious 1975 430
STC 5711;MOON PASS over BIG DICK CREEK County 079 Serious 1909 370
E 700 N RD over BUTTE MARKET LAKE CANAL County 051 Serious 1962 61
FDR 382 over ELK CREEK County 035 Serious 1961 20
FS ROUTE NO. 257 over STEAMBOAT CREEK County 079 Serious 1956 50
VINYARD ROAD over I 84;VINYARD RD GS County 053 Serious 1965 70
FDR over VALLEY CREEK County 037 Serious 1950 50
BEAVER-LOON ROAD over JORDAN CREEK County 037 Serious 1993 100
FS ROUTE NO. 427 over BOULDER CR CALLAHAN County 021 Serious 1961 50
OLD MIL. RR GRADE over TROUT CREEK County 079 Serious 1912 15
FOREST ROAD 357 over RUNNING CR County 049 Serious 1956 50
POTLATCH ROAD over ELK CREEK TRESTLE County 079 Serious 1912 100
STC7151;BENTON ST over PORTNEUF RIVER County 005 Serious 1969 2,800
JIM BROWN BRIDGE R over LITTLE WOOD RIVER County 063 Serious 1965 5
8 MILE ROAD over BEAR RIVER County 029 Serious 1972 100